Home / 38,163.99-57,171.87-21,473.13

Finding the Fourth Proportional to 38,163.99, 57,171.87 and 21,473.13

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Solution

The fourth proportional to 38,163.99, 57,171.87 and 21,473.13 is: 32,167.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,163.99 : 57,171.87 = 21,473.13 : x
  2. Step 2: Convert to fraction form
    38,163.99/57,171.87 = 21,473.13/x
  3. Step 3: Cross multiply
    38,163.99x = 57,171.87 × 21,473.13
  4. Step 4: Simplify right side
    38,163.99x = 1,227,658,996.85
  5. Step 5: Solve for x
    x = 1,227,658,996.85/38,163.99
  6. Step 6: Final answer
    x = 32,167.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.